人教版高一英語(yǔ)必修2 Unit3 Computers全單元教案

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1、Unit 3 Computers Period 1: Listening & Speaking GOALS: 1. To practise listening comprehension. 2.To practise making decisions and reasoning ? TEACHING PROCEDURES: Step1. revision 1. check the homework exercises. 1). It has been reported that children will be offered free education． It has

2、been reported that free education will be offered to children． 2). It has been said that we will be offered the latest computer science course book． It has been planned that the latest computer science course book will be offered to us． 3). I have been told by Peter that I will be lent his notebo

3、ok computer for a week． I have been told by Peter that his notebook computer will be lent to me for a week． 2. Question: What can computers be used as? Step2. Lead-in As we know, science and technology is developing very fast and computers have become smaller and smaller. They have been used in

4、many fields. So, the 21st?century is the century of information technology What does it mean? Does information technology/ IT only mean things like computers? Of cause not. Actually, it means more than computers. Computers are just one kind of IT. What else do you know is part of IT? (TV, radio, CD

5、-ROM, DVD, books……) Step3. Listening (SB) 1.???????Pre-listening: What are the changes brought by different forms of IT ? What are the advantages and disadvantages of them ? 2. While-listening: Go through the chart and make sure the students look at the chart before they listen to the tape. (Th

6、is is to sharpen their attention and listen for the answers. This will also help them get the gist of the text.) Then Listen to the tape and finish filling in the chart. (If necessary, play the tape for several times.) Say: After listening to their talk, we know all kinds of IT have both disadvanta

7、ges and advantages．Let’s check the answers together. Type of IT Advantages Disadvantages TV You can both listen and watch． You cannot write to friends． Web You can find information． It is very expensive． Radio You can listen to English． You cannot watch a film． Book You can get informa

8、tion． Sometimes it is out of date． 3. Post-listening: 1) (pair work): decide which type of IT is best for you to use right now. Make your choice and give your reasons by using the following expression_r_rs. ???I think that…. ???In my opinion, …. ???I believe that…. ???I agree because…. ???I

9、disagree because…. ???I’ve decided that…. 2) (group work): Discussion : Computers are useful and have brought us lots of good things, but they also cause bad effects. What attitude should we have towards the computer? (Make good use of it but never get trapped by it.) Step4. Speaking 1. Pre-spe

10、aking Say: From what we have learn, we should admit that computers and the web have a great influence on the school education as well as people’s life. It has come into people’s everyday life and many families hold computers in their homes. Now there is a task for you. 2. While-speaking 1) Situat

11、ion: You have been asked by your parents to help choose computers for your home. You and your friend have looked at several computers. Talk about the special things each computer can do. Make a decision about which kind of computer to buy and explain why. Information input: Show students some pictu

12、res of different computers (desktop computer & laptop computer & …) Language input: Useful expression_r_rs (Repeat it to strengthen students’ ability of use it.) ? Supporting an opinion Challenging an opinion I think that … , because … Perhaps, but what if / about …? First, … Have you though

13、t about …? One reason is that … What makes you think that …? I think it is better because… I don’t like it because…. ? (Pair work )Use the expression_r_rs to support your opinion or challenging other’s opinions. 2) Oral report: (individual work ) Do an oral report to your father and start yo

14、ur report like this: I looked at many different computers. The one I?have chosen?is the PEP personal computer. One of the main reasons is that it is suitable for homes. I found that… 3. Post-speaking Conclusion—What useful expression_r_r do we use to make a decision and reason? (In this way, they

15、 can review and use the words and phrases again.) Step5. Homework Page 22. writing: Write a report about your choice and try to use the present perfect passive voice as well as the useful words and expression_r_rs that have been mentioned above. in your report. ? ? ? ? ? Period 2: Reading an

16、d speaking & Writing Goals: 1.???????Learn a reading passage to learn about a football android called Andy. 2.???????Improve students’ reading ability. 3.???????Design an android. 4.???????Write a passage about the problems that the android might have while he/she is serving people. Teaching

17、procedures:?? Step1: Lead-in Show the first picture and tell the students that computers could be put into androids or robots. Present “android”. ???Tell the students: Androids are always with us! The students may disagree. Show pictures of Atom and Doraemon. Say: they are androids with magical p

18、ower. ????Continue to show pictures of nursery maid androids and tell the students androids can be made to look after humans. Then ask: But can you imagine androids can play football? Maybe you are curious about it. I will show you a video that androids play football. ????Let the students watch th

19、e video and tell them: oday I would like to introduce an android family member to you .His name is Andy. Present the reading passage’s topic: Andy---the Android. Step2: Reading: ????Let the students read the passage. Carry out the tasks below: Task1: Answer the questions below: 1. Who is Andy? W

20、hat is he good at? (He is an android. And he is good at playing football) 2. What helps him to move and think like a human? (His computer helps him to move and think like a human.) 3. What does Andy think about the team who beat them last year? Why? (She thinks the team cheated because they had

21、 a new kind of programmer, which had just been developed before the competition.) 4. What does the programmer do to Andy? (She programs me with all the possible moves she has seen while watching human games.) Task2: Fill in the blanks The story is about the _____ called ____, who is good at_____

22、_______. And his__________ makes him think and move like a ______. However, they _____ in the _________ hosted in the USA, because the other team had a new kind of_______. After that, he will ask his programmer to improve his _________ and _______ some new moves. Task3: Language points: 1. I think

23、 we can work together to create?even better?software. even = much????用于強(qiáng)調(diào)比較的程度 2.?In a way, my programmer is like my coach. in a way????在某種程度上… in the way????擋道,造成障礙 in this way????用這種方法 Fill in the blank： 1). ________it was one of our biggest mistakes. 2). You can finish your work??????????

24、?????????. 3). Your bike is???????????????????.Move it away. 3. In this way, I can?make up?new moves. make up????編寫，補(bǔ)上 4.?After all,?with the help of?my computer brain which never forgets anything, intelligence is what I’m all about. after all????畢竟 with the help of sb./sth.????在…的幫助之下= with o

25、ne’s/ sth’s help Step3 Speaking ???Tell the students that we already have many different kinds of androids in our daily life. Show??some pictures of androids for different purposes---maid, adventure and work. ??Then say to the students: Let’s design an android of our own! The following questions

26、and expression_r_rs can help you: ＊What would you like it to look like? ＊What are some of the things you would like it to do? ＊Do you want it to be like a man or a woman, or neither? ＊How much would it cost?...... Get the students to use the following sentences for discussion: I think that…???

27、??????What’s your reason? In my opinion…????I have decided that… Sample: A: What would you like your android to look like? B : In my opinion it should look like a bird. A: That sounds interesting. What will it do for you? B: I think it can sing beautiful songs for me day and night. A : Oh, ye

28、s! That sounds good. How much is it? B: It doesn’t cost much money because I will make it by myself. A: Really?! Do you want it to be a man or woman, or neither? B : I want it to be a beautiful girl named Kelly. A: Please show it to us some day. B: Oh, No money no talk. Step4 Pre-writing Say:

29、 Imagine what problems and delights this android might have to deal with while it is serving you. Try yourself in someone else’s shoes is an important way of understanding how other people feel. Then discuss: You are an android. You work for a family with one child who is very spoiled. The parents

30、want you to do everything for them. The parents are nice, but they often ask you to watch over their child. How do you feel? What would you do if the child asked you to do his/her homework for him/her? Would you ever tell the child “no”? Step5 Writing Say: Write a passage about the result of your

31、discussion! It should contain:??? What do you have to do? What is the child like? What is the parents’ requirement of the child? What do the parents want you to do? What does the child want you to do? Then what will you do? How do you feel? Sample writing: Hello everybody, my name is Liu Yan

32、．I am a 321 model android．I work for the Li family. Mr and Mrs Li work very hard too．Mr Li is an architect and designs great tall apartment blocks．Mrs Li is a doctor and has to look after many patients．I remember all the plans for Mr Li's projects and can tell Mrs Li which drugs are the best to give

33、 any particular patient. And I also look after their library. I store all the books that they borrow from their school or friends in my brain．Of course my brain is as large as a mountain, so work like that is no trouble to me．I really eat books just like people eat food． The Lis have a child who is

34、 very spoiled. He needs me to remember all?his school textbooks so that I can do?his homework for him．He just gives me the information on the subject, what has to be done and the page numbers and I get on with it while?he?enjoys himself?with his friends．Sometimes I don't think it is right to do his

35、homework for him —?it's somewhat cheating. However, his parents are very concerned at the pressure of work in school these days．The child has too much homework to do. They?like him to go to the key school but they also want?him?to be able to have hobbies, learn to swim and keep fit! Poor child!? So

36、 they consider me the most important person in the family after themselves．I am always introduced to their friends and play with visiting children．I am the perfect family academic aid and, although I was not cheap to buy, Mr Li says I was worth every yuan! Step6 Assessment Get the students to asse

37、ss their writing ability according to the following the questions: 1. Is your composition well developed? 2. Are your ideas well organized to the point? 3. Do you have a good choice of words and idioms in your writing? 4. Do you get a good mastery of complex structures of language? 5. What kind

38、 of mistakes have you made in your writing? Step5: Homework Write about your discussion. You may begin like this: Hello, everyone. My name is ___. I’m 321 model android. I work for the Li family…. ? ? ? ? Period 3: learning about Language ---the Present Perfect Passive Voice Goals: 1. Le

39、arn the Present Perfect Passive Voice. 2. Help the students master the way of using the correct voice, telling the differences between the active voice and the passive voice.? Teaching Procedures: Step 1: Revision and lead-in 1.???????Check the homework first Ex1: 1 totally 　2 revolution 　3 ar

40、tificial intelligence???4 birth　 5 simple-minded ???6 go by?? 7 deal with??8 network 　9 truly?????10 anyway Ex2: revolution; network;?went by; totally; truly; simple-minded; Anyway; deal with Ex3: 1??totally????2 amazed????3 exciting????4 excited? 5 cheaply???6 unlucky 2. Lead-in Say: Are yo

41、u familiar with these computers? Can you call them? (ask the Ss to distinguish different types of computers.) Do you know these new inventions of computer ? A wrist-worn PC??has been invented?recently. A pen-like computer?has?already?been developed. (show them some pictures and ask them to make

42、some sentences , using the Present Perfect Passive Voice.) Eg: It’s rather a hot day today! Would you like to have a swim after school ? Have you ever swum in the Blue Water World（藍(lán)色水世界） in the Oriental Suntown (東方太陽(yáng)城) which has been set up in Taizhou? There a beautiful swimming pool has been bui

43、lt . Many high buildings have been set up. Lots of flowers and trees have been planted. A new bridge has been completed…. Step2: Discovering Ask the Ss to discover whether these sentences have something in common.. Help them to learn the useful structure : the Present Perfect Passive Voice.? S

44、tep3: Discussion : learning the structure Give some explanations 1構(gòu)成： ???????????????????主動(dòng)語(yǔ)態(tài)?????????被動(dòng)語(yǔ)態(tài) 現(xiàn)在完成時(shí)?????have/has done----------àhave/has been done He has been sent to study the new technology in the company. The dirty clothes have not been washed. Have the windows been cleaned?

45、How many shopping centers have been built in this city? 2. 只有及物動(dòng)詞才有被動(dòng)語(yǔ)態(tài)，不及物動(dòng)詞（詞組）沒(méi)有被動(dòng)語(yǔ)態(tài), 如:happen, take place, die, appear, disappear, fail, remain, lie, last, sit ,stand, break out, come true, belong to等．如： What has happened to your brother? 3．但許多不及物動(dòng)詞加介詞或副詞構(gòu)成的短語(yǔ)動(dòng)詞，相當(dāng)于及物動(dòng)詞，也可以有被動(dòng)語(yǔ)態(tài)。 但短語(yǔ)動(dòng)詞是一個(gè)不可

46、分割的整體，變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí)，不可丟掉構(gòu)成短語(yǔ)的介詞或副詞。如： The child?has been taken good care of?by Grandma Wang all these years. A notice?has been put up?on the wall Step4: Practice and exercises 1.Change the following sentences into the Present Perfect Passive Voice. !). We have completed all the preparations for the t

47、ask, and we’re ready to start. 2). This company has produced??new types of computers. 3). They have interviewed several teachers for the job. 4). George has sent some texts and pictures to his friend’s cellphone. 5). They have developed some programmes for the human resource department of their

48、company. 2.Change the following sentences into the Present Perfect Passive Voice. Put the verbs into correct form. ????Recently we have bought a new personal computer. We have used the computer every day since we bought it. We have just joined our computer to the Internet. However, we have found m

49、any problems with it. So we have decided to ask a professional man to fix it.??Soon he has fixed the computer. He has built a PC way we wanted . How excited we are! These days we have written a lot of E-mails on the computer. We have decided to write a report about the positive and the negative effe

50、cts of using computers. 3. Do some exercises: choice Step5: Using the structure : Play a game—What has been decided. 1. Give The Ss the situation : Get into groups of four. Your task is to decide what has been decided for the class .Take turns to make the ideas as interesting or as lively as you

51、can. 2. Give the Ss some examples: S1: It has been decided that those who do not do heir homework will be asked to return to school on Saturday. S2:It has been decided that those who keep the classroom tidy should be allowed to go home early everyday. S3:It has been decided …?????????S4:… ??????

52、?????????? 3. Ask them to collect the ones they all like best and be prepared to tell them to the class. Step6: Further Study:??高考鏈接(This step can be done according to teaching needs.) 1. ---How long _____ at this job???B ????--- Since 1990. ?A. were you employed ?????????B. have you been emplo

53、yed ?C. had you been employed ??????D. will you be employed 2. When and where to go for the on-salary holiday ___yet. (2003 上海春季)???D A. are not decided???????????????B. have not been decided C. is not being decided???????D. has not been decided 3．All the preparations for the task ___, and we are ready to start. (2000 北京春季)???D Step 7: Homework 1.Finish Exercise 1 on P57.?????????????? 2.Revise the Present Perfect Passive Voice.